Period
to 19 June 2018

The following table provides summary statistics for permanent job vacancies with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 6 months to 19 June 2018 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK
6 months to
19 Jun 2018
Same period 2017 Same period 2016
Rank 1101 987 1031
Rank change year-on-year -114 +44 +114
Permanent jobs citing ISDN 70 190 238
As % of all permanent IT jobs advertised in the UK 0.041% 0.11% 0.12%
As % of the Communications & Networking category 0.27% 0.69% 0.70%
Number of salaries quoted 52 139 159
UK median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +5.88%
10th Percentile £21,700 £22,000 £26,250
90th Percentile £75,000 £65,000 £69,250
UK excluding London median annual salary £43,750 £44,000 £37,000
% change year-on-year -0.57% +18.92% -17.78%

ISDN is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 26,110 27,509 33,762
As % of all permanent IT jobs advertised in the UK 15.17% 15.98% 16.91%
Number of salaries quoted 20,769 22,397 28,000
UK median annual salary £46,000 £45,000 £45,000
Median salary % change year-on-year +2.22% - +0.56%
10th Percentile £26,000 £25,500 £25,500
90th Percentile £75,000 £72,500 £70,000
UK excluding London median annual salary £42,500 £40,000 £40,000
% change year-on-year +6.25% - -

ISDN
Job Vacancy Trend

Job postings citing ISDN as a percentage of all IT jobs advertised.

Job vacancy trend for ISDN in the UK

ISDN
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN.

Salary trend for ISDN in the UK

ISDN
Salary Histogram

The salary distribution of IT jobs citing ISDN over the 6 months to 19 June 2018.

Salary histogram for ISDN in the UK

ISDN
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the UK over the 6 months to 19 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -108 68 £50,000 +11.11% 7
UK excluding London -84 36 £43,750 -0.57% 5
London -26 34 £57,500 +4.07% 4
South East -13 15 £50,000 -
North of England -31 7 £35,000 -15.66%
South West +4 6 - - 3
Midlands -4 6 £37,500 -16.67%
Yorkshire +6 5 £45,000 -2.70%
West Midlands +5 4 £45,000 -
East Midlands -4 2 £30,000 +36.36%
North West -18 2 £32,500 +44.44%
Scotland -34 2 - -

For the 6 months to 19 June 2018, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for ISDN.

1 52 (74.29%) VoIP
2 45 (64.29%) Cisco
3 32 (45.71%) Active Directory
4 29 (41.43%) Microsoft
5 28 (40.00%) Firewall
6 26 (37.14%) VPN
6 26 (37.14%) Windows
7 23 (32.86%) Cisco Certification
8 21 (30.00%) CCNP
8 21 (30.00%) WAN
8 21 (30.00%) LAN
9 20 (28.57%) MPLS
10 19 (27.14%) Unified Communications
10 19 (27.14%) Cisco CUCM
11 18 (25.71%) VMware
11 18 (25.71%) IP Telephony
11 18 (25.71%) DNS
12 17 (24.29%) Wi-Fi
13 16 (22.86%) Telecoms
13 16 (22.86%) DHCP
13 16 (22.86%) VLAN
14 15 (21.43%) VMware Infrastructure
15 14 (20.00%) Linux
15 14 (20.00%) TCP/IP
16 13 (18.57%) ITIL
16 13 (18.57%) H.323
16 13 (18.57%) Cisco ASA
17 12 (17.14%) DSL
17 12 (17.14%) Wireless
17 12 (17.14%) PBX

ISDN
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 9 (12.86%) IIS
2 6 (8.57%) Skype for Business
3 5 (7.14%) SharePoint
4 4 (5.71%) MS Exchange
5 1 (1.43%) Exchange Server 2007
5 1 (1.43%) Exchange Server 2013
Applications
1 2 (2.86%) Microsoft Office
1 2 (2.86%) MS Visio
2 1 (1.43%) Microsoft PowerPoint
Cloud Services
1 5 (7.14%) Microsoft Azure
2 1 (1.43%) Amazon AWS
2 1 (1.43%) IaaS
2 1 (1.43%) Office 365
2 1 (1.43%) PaaS
2 1 (1.43%) SaaS
2 1 (1.43%) Slack
Communications & Networking
1 52 (74.29%) VoIP
2 28 (40.00%) Firewall
3 26 (37.14%) VPN
4 21 (30.00%) LAN
4 21 (30.00%) WAN
5 20 (28.57%) MPLS
6 19 (27.14%) Unified Communications
7 18 (25.71%) DNS
7 18 (25.71%) IP Telephony
8 17 (24.29%) Wi-Fi
9 16 (22.86%) DHCP
9 16 (22.86%) VLAN
10 14 (20.00%) TCP/IP
11 13 (18.57%) Cisco ASA
11 13 (18.57%) H.323
12 12 (17.14%) DSL
12 12 (17.14%) PBX
12 12 (17.14%) SSL
12 12 (17.14%) Wireless
13 11 (15.71%) GPRS
Database & Business Intelligence
1 8 (11.43%) SQL Server
2 5 (7.14%) Amazon RDS
3 2 (2.86%) SQL Server 2005
4 1 (1.43%) MySQL
4 1 (1.43%) PostgreSQL
4 1 (1.43%) SQL Server 2000
4 1 (1.43%) SQL Server 2008
4 1 (1.43%) SQL Server 2012
Development Applications
1 1 (1.43%) Git (software)
1 1 (1.43%) JIRA
General
1 16 (22.86%) Telecoms
2 8 (11.43%) Games
3 5 (7.14%) Multimedia
4 4 (5.71%) Local Government
5 3 (4.29%) Finance
6 2 (2.86%) Front Office
6 2 (2.86%) German Language
6 2 (2.86%) Italian Language
6 2 (2.86%) Spanish Language
7 1 (1.43%) Advertising
7 1 (1.43%) Marketing
Job Titles
1 15 (21.43%) Network Engineer
2 10 (14.29%) Analyst
2 10 (14.29%) Voice Engineer
3 9 (12.86%) Cisco Engineer
4 8 (11.43%) IT Support
4 8 (11.43%) Senior Voice Engineer
4 8 (11.43%) Support Analyst
5 7 (10.00%) 1st/2nd Line Support
5 7 (10.00%) 2nd Line Support
5 7 (10.00%) 3rd Line Engineer
5 7 (10.00%) IT Support Specialist
5 7 (10.00%) Senior Network Engineer
5 7 (10.00%) Support Specialist
5 7 (10.00%) Systems Analyst
6 6 (8.57%) 3rd Line Network Engineer
6 6 (8.57%) Cisco Network Engineer
7 5 (7.14%) Senior Analyst
7 5 (7.14%) Senior Support Analyst
7 5 (7.14%) Senior Systems Analyst
7 5 (7.14%) Systems Support Analyst
Libraries, Frameworks & Software Standards
1 9 (12.86%) LDAP
2 5 (7.14%) 802.1X
3 2 (2.86%) Web Services
Miscellaneous
1 11 (15.71%) Analytical Skills
2 10 (14.29%) Self-Motivation
3 7 (10.00%) User Experience
4 5 (7.14%) Clustering
5 4 (5.71%) Video Conferencing
6 3 (4.29%) Driving Licence
7 2 (2.86%) EMV
7 2 (2.86%) Enterprise Storage
7 2 (2.86%) Fintech
7 2 (2.86%) Handset
7 2 (2.86%) Linux Command Line
7 2 (2.86%) Management Information System
7 2 (2.86%) PKI
8 1 (1.43%) Algorithms
8 1 (1.43%) CCTV
8 1 (1.43%) Smart Home
8 1 (1.43%) Smartphone
Operating Systems
1 26 (37.14%) Windows
2 14 (20.00%) Linux
3 12 (17.14%) Windows Server
4 7 (10.00%) Windows Server 2012
5 5 (7.14%) Unix
6 4 (5.71%) Windows Server 2008
7 3 (4.29%) CentOS
7 3 (4.29%) Windows 8
8 2 (2.86%) Ubuntu
8 2 (2.86%) Windows 10
8 2 (2.86%) Windows Server 2003
8 2 (2.86%) Windows Vista
8 2 (2.86%) Windows XP
9 1 (1.43%) Mac OS X
Processes & Methodologies
1 13 (18.57%) ITIL
2 8 (11.43%) Configuration Management
2 8 (11.43%) CRM
2 8 (11.43%) Service Management
3 7 (10.00%) Agile Software Development
4 5 (7.14%) B2B
4 5 (7.14%) Coaching
4 5 (7.14%) Data Security
4 5 (7.14%) DevOps
4 5 (7.14%) Disaster Recovery
4 5 (7.14%) Fund Management
4 5 (7.14%) Investment Management
4 5 (7.14%) ITSM
4 5 (7.14%) Presales
4 5 (7.14%) Problem-Solving
4 5 (7.14%) Project Planning
4 5 (7.14%) Time Management
5 4 (5.71%) Network Monitoring
5 4 (5.71%) Project Management
5 4 (5.71%) Telesales
Programming Languages
1 4 (5.71%) SQL
2 1 (1.43%) C
2 1 (1.43%) C++
2 1 (1.43%) JavaScript
2 1 (1.43%) PowerShell
Qualifications
1 23 (32.86%) Cisco Certification
2 21 (30.00%) CCNP
3 11 (15.71%) Degree
4 10 (14.29%) CCIE
4 10 (14.29%) CCNA
5 5 (7.14%) ITIL Certification
6 4 (5.71%) Microsoft Certification
7 3 (4.29%) CCIE Security
8 2 (2.86%) CCSA
8 2 (2.86%) CCSP
8 2 (2.86%) HP APS
8 2 (2.86%) MCSA
8 2 (2.86%) MCSE
8 2 (2.86%) PRINCE2 Certification
9 1 (1.43%) Linux+ Certification
9 1 (1.43%) LPIC
9 1 (1.43%) RHCE
9 1 (1.43%) SC Cleared
9 1 (1.43%) Security Cleared
Quality Assurance & Compliance
1 9 (12.86%) SLA
2 2 (2.86%) ISO/IEC 27001
3 1 (1.43%) ISO 9001
System Software
1 32 (45.71%) Active Directory
2 15 (21.43%) VMware Infrastructure
3 9 (12.86%) Terminal Services
4 7 (10.00%) Hyper-V
4 7 (10.00%) XenApp
5 5 (7.14%) XenDesktop
5 5 (7.14%) XenServer
6 3 (4.29%) Virtual Machines
7 2 (2.86%) VMware ESXi
8 1 (1.43%) ProxySG
Systems Management
1 19 (27.14%) Cisco CUCM
2 9 (12.86%) FortiGate
3 7 (10.00%) SCCM
4 6 (8.57%) Backup Exec
5 5 (7.14%) Microsoft Data Protection Manager
5 5 (7.14%) SCOM
5 5 (7.14%) ServiceCenter
6 2 (2.86%) RSA enVision
7 1 (1.43%) Cisco UCCE
7 1 (1.43%) Cisco UCCX
7 1 (1.43%) vCenter Server
7 1 (1.43%) XenMobile
Vendors
1 45 (64.29%) Cisco
2 29 (41.43%) Microsoft
3 18 (25.71%) VMware
4 10 (14.29%) IronPort
5 8 (11.43%) Avaya
5 8 (11.43%) HP
6 7 (10.00%) Google
6 7 (10.00%) Mitel
6 7 (10.00%) Veeam
7 5 (7.14%) CommVault
7 5 (7.14%) Dell
7 5 (7.14%) Huawei
8 4 (5.71%) Ericsson
8 4 (5.71%) Panasonic
8 4 (5.71%) ShoreTel
9 3 (4.29%) CheckPoint
9 3 (4.29%) Juniper
10 2 (2.86%) Blue Coat
10 2 (2.86%) Qualys
10 2 (2.86%) Tripwire